Code example for UnsupportedOperationException

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        return toRet;
    } 
     
    @Override 
    public int delete(Uri uri, String selection, String[] selectionArgs) {
        throw new UnsupportedOperationException();
    } 
 
    @Override 
    public Uri insert(Uri uri, ContentValues values) {
        throw new UnsupportedOperationException();
    } 
 
    @Override 
    public boolean onCreate() { 
        return true; 
    } 
 
    @Override 
    public Cursor query(Uri uri, String[] projection, String selection,
            String[] selectionArgs, String sortOrder) {